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15,625 solutions

Rate Law

Q. Suppose the following data is obtained for the reaction:

Solved • Feb 23, 2020

Integrated Rate Law

Q. The tabulated data show the concentration of AB versus time for this reaction: Determine the order of the reaction and the value of the rate constant.

Solved • Feb 23, 2020

Equilibrium Expressions

Q. The following pictures represent the equilibrium mixtures of five different chemical reactions. All the reactions proceed according to the general balanced chemical reaction A + B ⇌ AB Red spheres represent A atoms, blue spheres are B atoms, and red-blue clusters are AB molecules. Rank the reactions in order of increasing equilibrium constant. Rank the reactions from smallest to largest equilibrium constant To rank items as equivalent, overlap them.

Solved • Feb 15, 2020

Rate Law

Q. The rate law for the reaction A + B → Products was found to be rate = k[A][B]2.

Solved • Feb 23, 2020

Density

Q. A piece of metal alloy with a mass of 114 g was placed into a graduated cylinder that contained 25.0 mL of water, raising the water level to 42.5 mL. What is the density of the metal? How do I get this answer?

Solved • Feb 23, 2020

Density

Q. The hope diamond weighs 44.0 carats. Determine the volume occupied by the diamond given that its density is 3.5 g/cm3 at 20 °C and that 1 carat = 0.200 g. How do I get this answer?

Solved • Feb 23, 2020

Significant Figures

Q. Why is the answer three and not four? (8.520 + 2.7 = 11.22)

Solved • Feb 23, 2020